Switch.



H. E. LEPPERT.

SWITCH.

APPLIUATION FILED MAR.17, mm.

1,058,071. Patented Apr. 8, 1913.

F2 f/zj.. F.: 57:5.

KM/7 u Y M l l' bodirnent of my invention, reference UNinED STATES PATENT OFFICE.

JERSEY.

HENRY E. LEPrERT, or NEW BRITAIN, CONNECTICUT, AssmNoE 'ro THEHAM NAN- UFCTUBING COMPANY, OF HARTFORD,

CONNECTICUT, A GORPORATIN OF NEW SWITCH.

Mexicanos animeren 1v, 1910. serial Na 549,819.

To' all whom 1f-moy concern Be itiknown that I, HENRY E. LE'PPERT, a citizen of the United States, residing at New Britain, county of Connecticut, have invented certain new and useful Improvements in Switches, of, which the following is a full, clear, and exact descri tion.

h y invention relates to improvements in. switches, and has for its object to produce' a new and improved switch having an oscil lating switch arm w'hiclnshall he simple in construction and eiiicientin action.

The following is a description of an ein being had to the accompanying drawings, in which- Figure 1 shows a side'elevationvof a switch embodying my invention. Fig. 2 shows the same with the switch plate in section and` one side of the. case removed. Fig. 3 shows a bottom view of 'the face plate with the parts ,attached thereto. fFig. 4 shows a plan :View of the base plate. Fig. 5 shows a plan view ofl the casing. Fig. 6 shows the face plate Withthe, parter` attached' thereto, the tace plate andl suppfort being in the line afi-w l? ig. 3L' Fig. 7 shows a section of a detail on the`r line y-fy Fig. 6. Fig. 8 shows in section the arts ofy lig. 7 at one stage of their manu, act-ure. Fig. 9 shows a. side elevation of one of the spring contac-ts. Fig. 10 shows a section of a detail on the line eme Fig. 2.

Referring more particularly to the drawings, A is a face plate, to which is rigidly secured a tubular projection or standardv Vithin this tube and abutting the face plate is a spring C' supporting the anti-friction ball D. The tubular member B is slotted at E.

F is an oscillating switch arm which passes through the slot E in the tube B and is pivoted to the tube B by a pin at Gr. arm ,hasy three vprojections H-H2-H, the middle one, lH2, of which, as the switch arm is oscillated in one direction or the other` depresses the ball D and passes from one side to the other of said ball, the spring C- yielding to permit such action. After" thc middle projection il has passed the hall, the. spring C "orcos the hall upward, which compels the switch arm to coinplete itsnioveinent with a snap action. The

Hartford, State of' l twoA grooves section on iproperly secured to the This switchl switch arm F is actuatedfby pusl1but-tons I-I passing through the face plate A.

J is a base plate which isfheld against the bottom of the metal casing K by a screw L, which engages a screw-th eaded insert M withinthe remote end of th i tubular member B, being secured within said'member by a pin N. `The base plate/J is rovided with O-Q. In each o these grooves is a pair of ar'allel spring contacts P-AP' which are he d to the plate by a slitted stud Q, whose lower ends are upset at Q2 over a washer Q3. Each stud Q is tapped for a binding screw R, which enters thebogttom thereof for securing the wire conductors. The spring contacts are each provided with two up er recesses S-S and two lower re cesses t Z-Sa, into which latter the rounded ends of the screws R enter. The stud whichA 'secures one pair of spring contacts to the base plate is located Aat the recess Sv and the stud whiehsecures the other set of con? tactsto the base plate is located at The/.f

binding posts are thus se arated -roin one another for a considera le distance, al# though the springs are counterpaits'of eine another and are similarly placed@ l TT are contacts carried by the switch arm F.but insulated therefrom by'rnica washers UMU. 'These contacts T-Jlf engage and disengage thepairs ofy sprinfg con tac'ts P--P, so as to break the circuit. In order thatthe contacts T--T should be l switch arm F and yet insulated therefrom,l I make a=hole V in. the end of the switch arm F and slightly countersinletlhc metal at each end thereon l then appli' the mica washers 'U4-U and Contact members 'lTIto the opposite sides of the switch arm, passing therethroug a rivet .\V\vl1ich fills thel holes in the mica Washers, themem'locrs 'l`---.l` being' iat'or unbent at the time. so as to draw the contacts together and hold them and the mica washers firmly in posi. tion. rlhe rivet lv" is considerably smaller than the hole V. The countersinks in the Patented Apr. 8, 1913,

l then upset the rivet lli/T switch arm partially receive the'washera,

vU--U' and thus hold them and the switch contact 4Tw-'l" from movement relating to the switch arm F, and at the saine time the operation centers the pin lV so that itis out of contact with the switch arm F and is maintained out oi Contact under all condi- After the parts have thus been sethe strips of which the'contacts tions. cured, T-"l" shown in Fig. 7. i

The casing K is held tot-he facey plate A by the screw i. In order to secure it in po sition, the base plate J is provided with a slight circumferentialrecess or offsetv J so as to provide a portion which enters the casing K and a flange which rests upon the bottom ot' the casing K. The casing K is also provided with positioningr lugs or pr0- jections X which enter the recesses or grooves X formed in the bottom of the face plate. The same screw L therefore holds the base plate in position and holds the casing in position, the projections X and recess X acting respectively as tlowels and dowel recesses.

The invention may be embodied in various forms without departing from the subject-matter, as hereinafter referred to in the claims.

What I claim is: Y

l. In a. switch, the combination of an oscillating arm having a projection thereon, a slotted tubular support forl said arm, a face plate to which said support is secured, a spiral spring within said support, and a -ball also within said support, said ball being unattached to said arm but actuated by :said spiral lspring. sti as to engage `said projection, electrically lconnected contacts `secured to said arm but insulated therefrom, and stationary contacts adapted lto be engagedand disengaged by said electrically connected Contacts.

In a s\\'it -h, the combination of t\vo push buttonsan oscillating arm with which said push buttons are connected, a support for .said arm pivoted thereto between said push buttons, and a stationary .spring contact consisting ot' twonienlbers extending parallel to said arm from one side to the are formed are bent into the form other of said support, said contact having its end on one side fixed relatively to said support and its other end adapted to be engaged and disengaged b v said arm.

3. A casing for push switch or the like,l

coinprisino a metallic wall portion with positioning ugs, independent top and base, one of the latter having recesses corresponding to said lugs and the other being peripherally otl'set to receive the edges of said wall portion, in combination with a standard eX- tending between said top and base and carried byone of the latter, and means in connection with Vthe other for rigidly uniting said top and base t-o the Wall as described.

v 4. A casing forpush switch having a wall portion comprising a plate ofnietal angled to desired shape and provided with positioning lugs, independent base and top, one' of the latter having recesses corresponding to said lugs, in combination with a standard extending between said top and base and carried by one of the latter, and means in connection with the other for rigidly uniting said top and base to the walltias described. "A,

plate, counterpart spring contactscarried by said base plate havlng'two similar re` t l'70 5. In a switch, the combination of a base .cesses 1n their` upper edges and t-wo lsimilar Y recesses in their lower edges, and two'clam ,s passing over said contacts respectively g id through said base plate, said CIamIpsIir'igaging; the recesses in the contacts` and `screws passing .-upivrdfint-o said clamps and through sa'icl b ase plate into the recesses in the lower edges-of saidiveontaets, the corresponding recesses in'the'two contacts being in a line and the clamps and sc rews being displaced relatively7 to said line.

rHENRY E. IEPPERT. lvitnessem i Il. A. Hama, M. H. GLYNN.

upper, edges! of sm d 

